supply of heavy duty electric portable drill machineheavy duty electric portable drill machine,heavy duty electric portable drill machine having capacity 10 mm dia in m. s sheet with input power 350-500 w, rated voltage - 110 v input (full load), no load spe ed rpm 0-3000 rpm with veriable speed, drill torque 3.5 nm, nature of supply 110 v, 50 h z, body of the machine should be made of high strength polymide (nylon-66) with 150 kilojules /sq, metre with auto cut-off carbon brush and spare one set carbon brus h, one set of chuck and key with each set of machine to is: 4665/1984 of bosch/hitachi/ fein/milwakee or similar. [ warranty period: 12 months after the date of delivery ]